Supplied as a set of 4.Diameter: 16mmProjection: 19mmStrike Plate: 26 x 19mm (2mm thick)
Finish: Traditional Black
Designed to restrict the movement of your sash window. Can be fitted to the frame/box and prevents the sash being opened beyond that point. Ideal for windows an upper floors where children can be left unattended and offers that extra bit of security and peace of mind.